/* color palette from <https://github.com/vuejs/theme> */
:root {
  --vt-c-white: #ffffff;
  --vt-c-white-soft: #f8f8f8;
  --vt-c-white-mute: #f2f2f2;

  --vt-c-black: #181818;
  --vt-c-black-soft: #222222;
  --vt-c-black-mute: #282828;

  --vt-c-indigo: #2c3e50;

  --vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
  --vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
  --vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
  --vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);

  --vt-c-text-light-1: var(--vt-c-indigo);
  --vt-c-text-light-2: rgba(60, 60, 60, 0.66);
  --vt-c-text-dark-1: var(--vt-c-white);
  --vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}

/* semantic color variables for this project */
:root {
  --color-background: var(--vt-c-white);
  --color-background-soft: var(--vt-c-white-soft);
  --color-background-mute: var(--vt-c-white-mute);

  --color-border: var(--vt-c-divider-light-2);
  --color-border-hover: var(--vt-c-divider-light-1);

  --color-heading: var(--vt-c-text-light-1);
  --color-text: var(--vt-c-text-light-1);

  --section-gap: 160px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: var(--vt-c-black);
    --color-background-soft: var(--vt-c-black-soft);
    --color-background-mute: var(--vt-c-black-mute);

    --color-border: var(--vt-c-divider-dark-2);
    --color-border-hover: var(--vt-c-divider-dark-1);

    --color-heading: var(--vt-c-text-dark-1);
    --color-text: var(--vt-c-text-dark-2);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  font-weight: normal;
}

body {
  min-height: 100vh;
  color: var(--color-text);
  background: var(--color-background);
  transition:
    color 0.5s,
    background-color 0.5s;
  line-height: 1.6;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    'Fira Sans',
    'Droid Sans',
    'Helvetica Neue',
    sans-serif;
  font-size: 15px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

div {

  /* 修改水平滚动条 */
  &::-webkit-scrollbar {
    width: 4px;
    /* 设置宽度为8像素 */
  }

  /* 修改垂直滚动条 */
  &::-webkit-scrollbar {
    height: 8px;
    /* 设置高度为8像素 */
  }

  /* 修改滚动条颜色 */
  &::-webkit-scrollbar-thumb {
    background-color: #726643;
    /* 设置滑块颜色为#999 */
  }

  /* 修改滚动条边角半径 */
  &::-webkit-scrollbar-thumb {
    border-radius: 4px;
    /* 设置边角半径为4像素 */
  }

  /* 修改滚动条不透明度 */
  &::-webkit-scrollbar-track {
    opacity: 0.7;
    /* 设置不透明度为0.7 */
  }

  /* 添加过渡效果到滚动条上 */
  &::-webkit-scrollbar {
    transition: all 0.3s ease;
    /* 添加过渡效果，持续时间为0.3秒，缓动函数为ease */
  }
}

.base-btn {
  display: inline-block;
  min-width: 60px;
  padding: 0 9px;
  line-height: 26px;
  border-radius: 2px;
  background-image: linear-gradient(#0F396C, #071f3c);
  border: 1px solid #514939;
  text-align: center;
  cursor: pointer;
  color: #dbbf94;
  user-select: none;
}

.base-btn:hover {
  background-image: linear-gradient(#165199, #071f3c);
}

.base-btn:active {
  background-image: linear-gradient(#0F396C, #071f3c);
}